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de bug a small analog circuit grounding issue

i have a existing schematic, pcb layout and off board wiring design that functions perfectly on its own. But when used with a non isolated multi 9v power supply, its will short the power supply out.

im sure this is a small, quick find, obvious problem, but need someone with a fresh mind!

schematics, pcb layout and off board wiring diagram will be supplied, just dont want to post it up on here just yet as its a product

Kỹ năng: Kĩ thuật điện, Điện tử, PCB Layout, Kiểm tra phần mềm

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Về Bên Thuê:
( 2 nhận xét ) falmouth, United Kingdom

Mã Dự Án: #15177105

Đã trao cho:

iTinkerBell

let me see your design Relevant Skills and Experience all needed skills Proposed Milestones £20 GBP - final

£20 GBP trong 1 ngày
(3 Đánh Giá)
4.0

33 freelancer đang chào giá trung bình £25 cho công việc này

seshupower

A proposal has not yet been provided

£55 GBP trong 3 ngày
(54 Đánh Giá)
6.5
£18 GBP trong 1 ngày
(38 Đánh Giá)
5.5
bijan01in

Hi I am interested to your project. I am familiar with electronics, PIC microcontroller as well as PCB design by Eagle. Thanks. Relevant Skills and Experience Schematic and layout design by Eagle Proposed Milestones Thêm

£23 GBP trong 1 ngày
(58 Đánh Giá)
5.4
sajjadahmed19

A proposal has not yet been provided

£15 GBP trong 1 ngày
(31 Đánh Giá)
5.4
£55 GBP trong 1 ngày
(29 Đánh Giá)
5.4
arslanuet123

EE here to help u buddy Relevant Skills and Experience Electrical engineer, PCB Layout Proposed Milestones £18 GBP - required work

£18 GBP trong 1 ngày
(32 Đánh Giá)
5.3
bchandra1955

Professional engineer here Relevant Skills and Experience Electronics, engineer

£62 GBP trong 3 ngày
(44 Đánh Giá)
5.6
binyameen441

expert in pcb design Relevant Skills and Experience pcb Proposed Milestones £18 GBP - pcb

£18 GBP trong 1 ngày
(21 Đánh Giá)
4.3
JunaidAhmad92

Hi, I will review, find and debug problems in your circuit that are causing short circuits for power supply. Relevant Skills and Experience I am an experienced electrical engineer in the fields of circuit designing an Thêm

£18 GBP trong 1 ngày
(10 Đánh Giá)
4.0
enghossamebrahim

Hello sir, I am an electrical engineer with a great experience in circuit design and analysis. Relevant Skills and Experience i need to have a look on the schematic to be able to solve the problem, so please provide Thêm

£20 GBP trong 1 ngày
(11 Đánh Giá)
3.6
bogdan2451629

Hello. I think I coud solve your roblem. Give schemtic pls. Relevant Skills and Experience 5 years hardware engeneering Proposed Milestones £23 GBP - for fix

£23 GBP trong 1 ngày
(5 Đánh Giá)
3.5
AlexFaster

Hi. I'm an expert in electronics field with experience more than 20 years. We can discuss your problem in chat. Best regards, Alex. Relevant Skills and Experience electronics, schematics, PCB prototyping, MCU etc. Pr Thêm

£30 GBP trong 1 ngày
(2 Đánh Giá)
2.9
himanshugajjar41

I have more than 2 years of experience in circuit designing,pcb designing and testing. I can help you for other task free of cost. Relevant Skills and Experience PCB Designing Circuit Designing Hardware Debugging Pr Thêm

£10 GBP trong 1 ngày
(1 Đánh Giá)
1.1
jitendrabaraiya

A proposal has not yet been provided

£99 GBP trong 7 ngày
(1 Đánh Giá)
0.8
enthuvikas

Hi, It looks like some small mistake we as engineers often make and at times it becomes tricky to find out what the reason is. We need a different perspective to rectify such issues. Easy! Relevant Skills and Experien Thêm

£23 GBP trong 1 ngày
(0 Đánh Giá)
2.9
£23 GBP trong 3 ngày
(0 Đánh Giá)
0.0
engrahsen

expert in PCB design with on time delivery Relevant Skills and Experience exceptional troubleshooting skills in PCB design works Proposed Milestones £18 GBP - details first

£18 GBP trong 1 ngày
(0 Đánh Giá)
0.0
ElectechIT

Expert Circuit Designer and Reverse Engineer/Debugger. Experienced in industrial Designs Relevant Skills and Experience Electrical Engineering, Electronics, PCB Layout, Circuit Design Proposed Milestones £18 GBP - Co Thêm

£18 GBP trong 2 ngày
(0 Đánh Giá)
0.0
nm08101

I'm a hardware engineer who has designed the board power supply, digital, and PCB layout

£16 GBP trong 1 ngày
(0 Đánh Giá)
0.0
syedubaid086

A proposal has not yet been provided

£15 GBP trong 2 ngày
(0 Đánh Giá)
0.0